Windows 10: Monitor goes black in videogames that are fullscreened

I have had this pc for a bit more than a year now but just a couple days ago I started having a issue where if I load into a game and it is full screened and only on full screen it crashes within a second of opening the game of within a few minutes. The monitor goes black and after a few seconds it says "Signal not found" and goes into sleep mode. I can still hear the sound for a bit but it goes away and I hear the crash sound so I have to hard reboot my computer. I have tried uninstalling and reinstalling my gpu driversI use a 2060 ti ,scanning for a virus to see if

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Primary monitor randomly goes black

Got a monitor issue. Looked at other posts about this issue be could not find anything addressing my issue. Over the past few months, my primary monitor randomly (no pattern to the issue) goes black but the led shows it to still be working. Secondary monitor is working. Only way to get the primary back is to reboot the computer. I tried reversing the DVI-D cable but no luck, primary still goes black. Regardless of which monitor is set to primary, that is the monitor that goes black. The monitor set as secondary never goes black. Any ideas?

 

My monitor goes black

You receive that error if the USB is in the incorrect port, it should go in the USB 1 port.

 

Blackscreen when in fullscreen

Hello,

when I try to play any game in fullscreen it seems to try to go to another monitor but i only have one monitor. The monitor then goes black and sometimes when i do not move my mouse the picture comes back for a second then it kinda glitches/flickers and
goes away again. I also dont have anything else than my monitor connected to my PC and i have checked that my graphics card is on the latest update. This only happens when i am in fullscreen and borderless windowed mode, i can tab out though and the picture
comes back normally but when i tab back in the picture stays for a second then goes away again, also my monitor doesnt display black but goes completely black like when i turn it off.

My specs:

amd radeon RX 5700

ACER VG240Y 75hz

amd ryzen 5